Congress of Industrial Organizations

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The Congress of Industrial Organizations was a major federation of industrial labor unions in the United States that played a central role in organizing mass-production workers and shaping mid-20th-century labor policy.


Statements (52)
Predicate Object
instanceOf historical organization
labor union federation
trade union federation
country United States
dissolutionCause merger with American Federation of Labor
dissolved 1955
fieldOfWork collective bargaining
labor organizing
labor rights
formerName Committee for Industrial Organization
foundedBy Charles Howard
David Dubinsky
Harvey Fremming
John Brophy
John L. Lewis
Max Zaritsky
Sidney Hillman
Thomas McMahon
hasPart Amalgamated Clothing Workers of America
Textile Workers Union of America
United Auto Workers
United Electrical, Radio and Machine Workers of America
United Mine Workers of America
United Steelworkers of America
headquartersLocation Washington, D.C.
ideology New Deal liberalism
industrial unionism
inception 1935
influenced Fair Labor Standards Act
National Labor Relations Act implementation
mid-20th-century U.S. labor policy
keyPerson John L. Lewis
Philip Murray
Sidney Hillman
Walter Reuther
mergedInto AFL–CIO
movement American labor movement
notableWork organization of mass-production workers
sit-down strikes of the 1930s
support for New Deal labor legislation
opposedBy American Federation of Labor
politicalAlignment Democratic Party (United States)
renamed 1938
significantEvent 1936–1937 Flint sit-down strike support
World War II labor–government cooperation
formation of United Auto Workers as major affiliate
formation of United Steelworkers as major affiliate
purge of communist-led unions in late 1940s
split from American Federation of Labor
timePeriod Great Depression
World War II
early Cold War


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